Finding the Fourth Proportional to 11,116,146.29, 15,340,279.61 and 6,221,368.13
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Solution
The fourth proportional to 11,116,146.29, 15,340,279.61 and 6,221,368.13 is: 8,585,486.74
Step by Step Solution
- Step 1: Write the proportion equation
11,116,146.29 : 15,340,279.61 = 6,221,368.13 : x - Step 2: Convert to fraction form
11,116,146.29/15,340,279.61 = 6,221,368.13/x - Step 3: Cross multiply
11,116,146.29x = 15,340,279.61 × 6,221,368.13 - Step 4: Simplify right side
11,116,146.29x = 95,437,526,563,134.59 - Step 5: Solve for x
x = 95,437,526,563,134.59/11,116,146.29 - Step 6: Final answer
x = 8,585,486.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.